Literature

The LX1705 Evaluation Board is available from Microsemi for evaluating the performance of the LX1705 Class D Audio Amplifier Integrated Circuit. The evaluation board contains one LX1705 Class D Audio Amplifier IC and associated circuitry for a complete stereo amplifier, as well as low pass filter circuitry for evaluating the stereo output voltage waveforms with an Audio Analyzer or an Oscilloscope. The evaluation board contains jumper connections for connecting/disconnecting the low pass filter circuitry, shorting the input connections, as well as setting the state of the Mute / Gain control. KEY FEATURES Filter Free Operation 8W + 8W Output Power into 8 ? load: THD+N < 1% High Efficiency, > 90% Full Audio Bandwidth: 20Hz to 20KHz Low Distortion: <0.15% @ 30% Max. Power, 1KHz High Signal to Noise Ratio: 90dB Wide Supply Voltage Range: 5.0 – 15V Low Quiescent Current: < 30mA Pop Free Turn ON/OFF Standby / Mute Feature Built-in Under Voltage Lockout Thermal Protection

The LX1702 Evaluation Board is available from Microsemi for evaluating the performance of the LX1702 Class D Audio Amplifier Integrated Circuit. The evaluation board contains one LX1702 Class D Audio Amplifier IC and associated circuitry for a complete stereo amplifier, as well as low pass filter circuitry for evaluating the stereo output voltage waveforms with an Audio Analyzer or an Oscilloscope. The evaluation board contains jumper connections for connecting/disconnecting the low pass filter circuitry, and shorting the input connections. KEY FEATURES Filter Free Operation 1W + 1W Output Power into 8 ? load: THD+N < 1% High Efficiency, > 85% Full Audio Bandwidth: 20Hz to 20KHz Low Distortion: <0.1% @ 50% Max. Power, 1KHz High Signal to Noise Ratio: 90dB Wide Supply Voltage Range: 2.5 – 5.5V Low Quiescent Current: < 5mA Pop Free Turn ON/OFF Standby Feature Built-in Under Voltage Lockout Thermal Protection